[R-390] The "unobtainium" solved-hopefully

[Greg Mengell]

THANK YOU PERRY
> On 07/12/2022 8:39 AM Perry Sandeen via R-390 <r-390 at mailman.qth.net> wrote:
> 
>  
> List,
> Jacques sent me a comp of an old ARRL SSB detector.  It tooka long time to realize that I had re-written that article 7 years ago.  Since I have about 11 Gbs of Radio files and not the most organized filing system, it took a long time to remember it as well as find it.
> I'm going to attach it to this email as a PDF and hope it doesn't get scrubbed.
> If it does and you want a copy, please send an original email off line and I'll send a copy.
> Perhaps the R390a site might want to host a large number of BA articles about B/A mods as well related radio material.
> 73,
> Perry KM6FQV
> 
> 
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